<template>
	<!-- 解决刷新页面价格、名称闪烁的问题 -->
	<view v-if="goods_info.goods_name">
		<!-- 商品轮播图区域 -->
		<swiper :indicator-dots="true" :autoplay="true" :interval="3000" :duration="1000" :circular="true">
			<swiper-item v-for="(item, index) in goods_info.pics" :key="index"><image :src="item.pics_big" @click="preview(i)"></image></swiper-item>
		</swiper>
		<!-- 商品信息区域 -->
		<view class="goods-info-box">
			<!-- 商品价格 -->
			<view class="price">￥{{ goods_info.goods_price }}</view>
			<!-- 信息主体部分	 -->
			<view class="goods-info-body">
				<!-- 商品名称 -->
				<view class="goods-name">{{ goods_info.goods_name }}</view>
				<!-- 收藏 -->
				<view class="favi">
					<uni-icons type="star" size="18" color="gray"></uni-icons>
					<text>收藏</text>
				</view>
			</view>
			<!-- 运费 -->
			<view class="yf">快递：免运费</view>
		</view>

		<!-- 商品图文说明 -->
		<rich-text :nodes="goods_info.goods_introduce"></rich-text>

		<!-- 渲染商品导航区域的 UI 结构 -->
		<view class="goods_nav"><uni-goods-nav :fill="true" :options="options" :buttonGroup="buttonGroup" @click="onClick" @buttonClick="buttonClick"></uni-goods-nav></view>
	</view>
</template>

<script>
export default {
	data() {
		return {
			goods_info: {}, //获取商品详情数据
			//底部导航栏左侧配置对象
			options: [
				{
					icon: 'shop',
					text: '店铺'
				},
				{
					icon: 'cart',
					text: '购物车'
				}
			],
			//底部导航栏右侧配置对象
			buttonGroup: [
				{
					text: '加入购物车',
					backgroundColor: '#cc0000',
					color: '#fff'
				},
				{
					text: '立即购买',
					backgroundColor: '#ffa200',
					color: '#fff'
				}
			]
		};
	},
	onLoad(option) {
		const goods_id = option.goods_id;
		this.getGoodsInfo(goods_id);
	},
	methods: {
		async getGoodsInfo(goods_id) {
			const { data: res } = await uni.$http.get('/api/public/v1/goods/detail', { goods_id });
			if (res.meta.status !== 200) return uni.$showMsg();
			// 第一个replace是解决商品图文之间间隙的问题
			// 第二个replace是解决ios设备支持 .webp 图片格式交较差的问题
			res.message.goods_introduce = res.message.goods_introduce.replace('/img /g,"<img display:block;" ').replace(/webp/g, 'jpg');

			this.goods_info = res.message;
		},
		preview(i) {
			uni.previewImage({
				current: i,
				urls: this.goods_info.pics.map(x => x.pics_big)
			});
		},
		//底部导航栏左侧点击事件
		onClick(e) {
			if (e.content.text === '购物车') {
				//切换到购物车页面
				uni.switchTab({
					url: '/pages/cart/cart'
				});
			}
		},
		//底部导航栏右侧点击事件
		buttonClick() {}
	}
};
</script>

<style lang="scss">
swiper {
	height: 750rpx;

	image {
		width: 100%;
		height: 100%;
	}
}
// 商品信息区域的样式
.goods-info-box {
	padding: 10px;
	padding-right: 0;

	.price {
		color: #c00000;
		font-size: 18px;
		margin: 10px 0;
	}

	.goods-info-body {
		display: flex;
		justify-content: space-between;

		.goods-name {
			font-size: 13px;
			padding-right: 10px;
		}
		// 收藏区域
		.favi {
			width: 120px;
			font-size: 12px;
			display: flex;
			flex-direction: column;
			justify-content: center;
			align-items: center;
			border-left: 1px solid #efefef;
			color: gray;
		}
	}

	// 运费
	.yf {
		margin: 10px 0;
		font-size: 12px;
		color: gray;
	}
}
.goods_nav {
	position: sticky;
	bottom: 0;
	left: 0;
}
</style>
